[throw0101d]

> Indeed. Christmas lasts until Epiphany (January 6th) or even Candlemas (February 2nd).

Up to Candlemas was probably more cultural than liturgical, as things go back to 'Ordinary time' in the West post-Epiphany:

* https://en.wikipedia.org/wiki/Christmastide

* https://en.wikipedia.org/wiki/Liturgical_year#Christmastide

* https://en.wikipedia.org/wiki/Epiphany_(holiday)